Reaction catalyzed by Pancreatic endopeptidase E (3.4.21.70)

		+		H2O	=			+
	Tert-Butyloxycarbonyl-L-alanine 4-nitrophenyl ester	+		H2O	=		Tert-Butyloxycarbonyl-L-alanine	+		4-nitrophenol